Pattern selector

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  1. CSSStyleSheet.selects() has thrown a CSSException
    HtmlUnit
    1
    0
    0
  2. CSSStyleSheet.validateSelectors() has thrown a CSSException
    HtmlUnit
    1
    0
    0

Your stack trace compared to the selected pattern

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org.w3c.css.sac.CSSException: Invalid selector: :required
3 matching frames hidden
    at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.selects(CSSStyleSheet.java:559)
    at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.selects(CSSStyleSheet.java:484)
    at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.modifyIfNecessary(CSSStyleSheet.java:274)
    at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.modifyIfNecessary(CSSStyleSheet.java:253)
17 frames hidden

External results for this pattern (2)

  1. sirstrahdvia htmlunit2 years ago
    Invalid selector: :required
    Show stack trace
  2. Invalid selector: *:-webkit-full-screen-ancestor
    Show stack trace